Improvement advice?

Revision en1, by khanhdungtrinh, 2025-03-13 14:38:51

I've been stuck at Expert/CM for almost two years now. Most advice online just says to grind more problems, but that doesn't really work for me. Does anyone have more effective advice?

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en1 English khanhdungtrinh 2025-03-13 14:38:51 203 Initial revision (published)